Flash用于设置调整色彩渐变的关键点最多允许()。
A.2
B.4
C.6
D.8
参考答案:D
The book Robinson Crusoe ________ on the book by Daniel Defoe is well worth ______.
A.basing, reading
B.based, being read
C.based, reading
D.to be based, to read
不属于码头发生溢油时应急处理步骤是()。
A.继续码头装卸作业
B.在溢油情况比较严重的情况下,其它码头的装卸作业也必须停止
C.操作工赶赴现场关闭物料阀和堵塞漏点
D.协助民警划定警戒区,禁止无关人员和机动(车)船进码头